Mini Split Line Set Sizing Mistakes That Hurt Performance
A system can look perfect at startup and still be doomed by lunch. The gauges are steady. The room begins to cool. The homeowner relaxes. Then the suction line starts sweating inside the wall cavity, the flare joint hisses three weeks later, or the compressor amperage climbs because the run was sized like a brochure diagram instead of a real house. Most techs blame the equipment first. In my experience, the ugly surprise is often in the mini split line set choice nobo